github.com/dotlike13/wemix30_go@v1.8.23/crypto/secp256k1/libsecp256k1/configure.ac (about)

     1  AC_PREREQ([2.60])
     2  AC_INIT([libsecp256k1],[0.1])
     3  AC_CONFIG_AUX_DIR([build-aux])
     4  AC_CONFIG_MACRO_DIR([build-aux/m4])
     5  AC_CANONICAL_HOST
     6  AH_TOP([#ifndef LIBSECP256K1_CONFIG_H])
     7  AH_TOP([#define LIBSECP256K1_CONFIG_H])
     8  AH_BOTTOM([#endif /*LIBSECP256K1_CONFIG_H*/])
     9  AM_INIT_AUTOMAKE([foreign subdir-objects])
    10  LT_INIT
    11  
    12  dnl make the compilation flags quiet unless V=1 is used
    13  m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
    14  
    15  PKG_PROG_PKG_CONFIG
    16  
    17  AC_PATH_TOOL(AR, ar)
    18  AC_PATH_TOOL(RANLIB, ranlib)
    19  AC_PATH_TOOL(STRIP, strip)
    20  AX_PROG_CC_FOR_BUILD
    21  
    22  if test "x$CFLAGS" = "x"; then
    23    CFLAGS="-g"
    24  fi
    25  
    26  AM_PROG_CC_C_O
    27  
    28  AC_PROG_CC_C89
    29  if test x"$ac_cv_prog_cc_c89" = x"no"; then
    30    AC_MSG_ERROR([c89 compiler support required])
    31  fi
    32  AM_PROG_AS
    33  
    34  case $host_os in
    35    *darwin*)
    36       if  test x$cross_compiling != xyes; then
    37         AC_PATH_PROG([BREW],brew,)
    38         if test x$BREW != x; then
    39           dnl These Homebrew packages may be keg-only, meaning that they won't be found
    40           dnl in expected paths because they may conflict with system files. Ask
    41           dnl Homebrew where each one is located, then adjust paths accordingly.
    42  
    43           openssl_prefix=`$BREW --prefix openssl 2>/dev/null`
    44           gmp_prefix=`$BREW --prefix gmp 2>/dev/null`
    45           if test x$openssl_prefix != x; then
    46             PKG_CONFIG_PATH="$openssl_prefix/lib/pkgconfig:$PKG_CONFIG_PATH"
    47             export PKG_CONFIG_PATH
    48           fi
    49           if test x$gmp_prefix != x; then
    50             GMP_CPPFLAGS="-I$gmp_prefix/include"
    51             GMP_LIBS="-L$gmp_prefix/lib"
    52           fi
    53         else
    54           AC_PATH_PROG([PORT],port,)
    55           dnl if homebrew isn't installed and macports is, add the macports default paths
    56           dnl as a last resort.
    57           if test x$PORT != x; then
    58             CPPFLAGS="$CPPFLAGS -isystem /opt/local/include"
    59             LDFLAGS="$LDFLAGS -L/opt/local/lib"
    60           fi
    61         fi
    62       fi
    63     ;;
    64  esac
    65  
    66  CFLAGS="$CFLAGS -W"
    67  
    68  warn_CFLAGS="-std=c89 -pedantic -Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wstrict-prototypes -Wno-unused-function -Wno-long-long -Wno-overlength-strings"
    69  saved_CFLAGS="$CFLAGS"
    70  CFLAGS="$CFLAGS $warn_CFLAGS"
    71  AC_MSG_CHECKING([if ${CC} supports ${warn_CFLAGS}])
    72  AC_COMPILE_IFELSE([AC_LANG_SOURCE([[char foo;]])],
    73      [ AC_MSG_RESULT([yes]) ],
    74      [ AC_MSG_RESULT([no])
    75        CFLAGS="$saved_CFLAGS"
    76      ])
    77  
    78  saved_CFLAGS="$CFLAGS"
    79  CFLAGS="$CFLAGS -fvisibility=hidden"
    80  AC_MSG_CHECKING([if ${CC} supports -fvisibility=hidden])
    81  AC_COMPILE_IFELSE([AC_LANG_SOURCE([[char foo;]])],
    82      [ AC_MSG_RESULT([yes]) ],
    83      [ AC_MSG_RESULT([no])
    84        CFLAGS="$saved_CFLAGS"
    85      ])
    86  
    87  AC_ARG_ENABLE(benchmark,
    88      AS_HELP_STRING([--enable-benchmark],[compile benchmark (default is no)]),
    89      [use_benchmark=$enableval],
    90      [use_benchmark=no])
    91  
    92  AC_ARG_ENABLE(coverage,
    93      AS_HELP_STRING([--enable-coverage],[enable compiler flags to support kcov coverage analysis]),
    94      [enable_coverage=$enableval],
    95      [enable_coverage=no])
    96  
    97  AC_ARG_ENABLE(tests,
    98      AS_HELP_STRING([--enable-tests],[compile tests (default is yes)]),
    99      [use_tests=$enableval],
   100      [use_tests=yes])
   101  
   102  AC_ARG_ENABLE(openssl_tests,
   103      AS_HELP_STRING([--enable-openssl-tests],[enable OpenSSL tests, if OpenSSL is available (default is auto)]),
   104      [enable_openssl_tests=$enableval],
   105      [enable_openssl_tests=auto])
   106  
   107  AC_ARG_ENABLE(experimental,
   108      AS_HELP_STRING([--enable-experimental],[allow experimental configure options (default is no)]),
   109      [use_experimental=$enableval],
   110      [use_experimental=no])
   111  
   112  AC_ARG_ENABLE(exhaustive_tests,
   113      AS_HELP_STRING([--enable-exhaustive-tests],[compile exhaustive tests (default is yes)]),
   114      [use_exhaustive_tests=$enableval],
   115      [use_exhaustive_tests=yes])
   116  
   117  AC_ARG_ENABLE(endomorphism,
   118      AS_HELP_STRING([--enable-endomorphism],[enable endomorphism (default is no)]),
   119      [use_endomorphism=$enableval],
   120      [use_endomorphism=no])
   121  
   122  AC_ARG_ENABLE(ecmult_static_precomputation,
   123      AS_HELP_STRING([--enable-ecmult-static-precomputation],[enable precomputed ecmult table for signing (default is yes)]),
   124      [use_ecmult_static_precomputation=$enableval],
   125      [use_ecmult_static_precomputation=auto])
   126  
   127  AC_ARG_ENABLE(module_ecdh,
   128      AS_HELP_STRING([--enable-module-ecdh],[enable ECDH shared secret computation (experimental)]),
   129      [enable_module_ecdh=$enableval],
   130      [enable_module_ecdh=no])
   131  
   132  AC_ARG_ENABLE(module_recovery,
   133      AS_HELP_STRING([--enable-module-recovery],[enable ECDSA pubkey recovery module (default is no)]),
   134      [enable_module_recovery=$enableval],
   135      [enable_module_recovery=no])
   136  
   137  AC_ARG_ENABLE(jni,
   138      AS_HELP_STRING([--enable-jni],[enable libsecp256k1_jni (default is auto)]),
   139      [use_jni=$enableval],
   140      [use_jni=auto])
   141  
   142  AC_ARG_WITH([field], [AS_HELP_STRING([--with-field=64bit|32bit|auto],
   143  [Specify Field Implementation. Default is auto])],[req_field=$withval], [req_field=auto])
   144  
   145  AC_ARG_WITH([bignum], [AS_HELP_STRING([--with-bignum=gmp|no|auto],
   146  [Specify Bignum Implementation. Default is auto])],[req_bignum=$withval], [req_bignum=auto])
   147  
   148  AC_ARG_WITH([scalar], [AS_HELP_STRING([--with-scalar=64bit|32bit|auto],
   149  [Specify scalar implementation. Default is auto])],[req_scalar=$withval], [req_scalar=auto])
   150  
   151  AC_ARG_WITH([asm], [AS_HELP_STRING([--with-asm=x86_64|arm|no|auto]
   152  [Specify assembly optimizations to use. Default is auto (experimental: arm)])],[req_asm=$withval], [req_asm=auto])
   153  
   154  AC_CHECK_TYPES([__int128])
   155  
   156  AC_MSG_CHECKING([for __builtin_expect])
   157  AC_COMPILE_IFELSE([AC_LANG_SOURCE([[void myfunc() {__builtin_expect(0,0);}]])],
   158      [ AC_MSG_RESULT([yes]);AC_DEFINE(HAVE_BUILTIN_EXPECT,1,[Define this symbol if __builtin_expect is available]) ],
   159      [ AC_MSG_RESULT([no])
   160      ])
   161  
   162  if test x"$enable_coverage" = x"yes"; then
   163      AC_DEFINE(COVERAGE, 1, [Define this symbol to compile out all VERIFY code])
   164      CFLAGS="$CFLAGS -O0 --coverage"
   165      LDFLAGS="--coverage"
   166  else
   167      CFLAGS="$CFLAGS -O3"
   168  fi
   169  
   170  if test x"$use_ecmult_static_precomputation" != x"no"; then
   171    save_cross_compiling=$cross_compiling
   172    cross_compiling=no
   173    TEMP_CC="$CC"
   174    CC="$CC_FOR_BUILD"
   175    AC_MSG_CHECKING([native compiler: ${CC_FOR_BUILD}])
   176    AC_RUN_IFELSE(
   177      [AC_LANG_PROGRAM([], [return 0])],
   178      [working_native_cc=yes],
   179      [working_native_cc=no],[dnl])
   180    CC="$TEMP_CC"
   181    cross_compiling=$save_cross_compiling
   182  
   183    if test x"$working_native_cc" = x"no"; then
   184      set_precomp=no
   185      if test x"$use_ecmult_static_precomputation" = x"yes";  then
   186        AC_MSG_ERROR([${CC_FOR_BUILD} does not produce working binaries. Please set CC_FOR_BUILD])
   187      else
   188        AC_MSG_RESULT([${CC_FOR_BUILD} does not produce working binaries. Please set CC_FOR_BUILD])
   189      fi
   190    else
   191      AC_MSG_RESULT([ok])
   192      set_precomp=yes
   193    fi
   194  else
   195    set_precomp=no
   196  fi
   197  
   198  if test x"$req_asm" = x"auto"; then
   199    SECP_64BIT_ASM_CHECK
   200    if test x"$has_64bit_asm" = x"yes"; then
   201      set_asm=x86_64
   202    fi
   203    if test x"$set_asm" = x; then
   204      set_asm=no
   205    fi
   206  else
   207    set_asm=$req_asm
   208    case $set_asm in
   209    x86_64)
   210      SECP_64BIT_ASM_CHECK
   211      if test x"$has_64bit_asm" != x"yes"; then
   212        AC_MSG_ERROR([x86_64 assembly optimization requested but not available])
   213      fi
   214      ;;
   215    arm)
   216      ;;
   217    no)
   218      ;;
   219    *)
   220      AC_MSG_ERROR([invalid assembly optimization selection])
   221      ;;
   222    esac
   223  fi
   224  
   225  if test x"$req_field" = x"auto"; then
   226    if test x"set_asm" = x"x86_64"; then
   227      set_field=64bit
   228    fi
   229    if test x"$set_field" = x; then
   230      SECP_INT128_CHECK
   231      if test x"$has_int128" = x"yes"; then
   232        set_field=64bit
   233      fi
   234    fi
   235    if test x"$set_field" = x; then
   236      set_field=32bit
   237    fi
   238  else
   239    set_field=$req_field
   240    case $set_field in
   241    64bit)
   242      if test x"$set_asm" != x"x86_64"; then
   243        SECP_INT128_CHECK
   244        if test x"$has_int128" != x"yes"; then
   245          AC_MSG_ERROR([64bit field explicitly requested but neither __int128 support or x86_64 assembly available])
   246        fi
   247      fi
   248      ;;
   249    32bit)
   250      ;;
   251    *)
   252      AC_MSG_ERROR([invalid field implementation selection])
   253      ;;
   254    esac
   255  fi
   256  
   257  if test x"$req_scalar" = x"auto"; then
   258    SECP_INT128_CHECK
   259    if test x"$has_int128" = x"yes"; then
   260      set_scalar=64bit
   261    fi
   262    if test x"$set_scalar" = x; then
   263      set_scalar=32bit
   264    fi
   265  else
   266    set_scalar=$req_scalar
   267    case $set_scalar in
   268    64bit)
   269      SECP_INT128_CHECK
   270      if test x"$has_int128" != x"yes"; then
   271        AC_MSG_ERROR([64bit scalar explicitly requested but __int128 support not available])
   272      fi
   273      ;;
   274    32bit)
   275      ;;
   276    *)
   277      AC_MSG_ERROR([invalid scalar implementation selected])
   278      ;;
   279    esac
   280  fi
   281  
   282  if test x"$req_bignum" = x"auto"; then
   283    SECP_GMP_CHECK
   284    if test x"$has_gmp" = x"yes"; then
   285      set_bignum=gmp
   286    fi
   287  
   288    if test x"$set_bignum" = x; then
   289      set_bignum=no
   290    fi
   291  else
   292    set_bignum=$req_bignum
   293    case $set_bignum in
   294    gmp)
   295      SECP_GMP_CHECK
   296      if test x"$has_gmp" != x"yes"; then
   297        AC_MSG_ERROR([gmp bignum explicitly requested but libgmp not available])
   298      fi
   299      ;;
   300    no)
   301      ;;
   302    *)
   303      AC_MSG_ERROR([invalid bignum implementation selection])
   304      ;;
   305    esac
   306  fi
   307  
   308  # select assembly optimization
   309  use_external_asm=no
   310  
   311  case $set_asm in
   312  x86_64)
   313    AC_DEFINE(USE_ASM_X86_64, 1, [Define this symbol to enable x86_64 assembly optimizations])
   314    ;;
   315  arm)
   316    use_external_asm=yes
   317    ;;
   318  no)
   319    ;;
   320  *)
   321    AC_MSG_ERROR([invalid assembly optimizations])
   322    ;;
   323  esac
   324  
   325  # select field implementation
   326  case $set_field in
   327  64bit)
   328    AC_DEFINE(USE_FIELD_5X52, 1, [Define this symbol to use the FIELD_5X52 implementation])
   329    ;;
   330  32bit)
   331    AC_DEFINE(USE_FIELD_10X26, 1, [Define this symbol to use the FIELD_10X26 implementation])
   332    ;;
   333  *)
   334    AC_MSG_ERROR([invalid field implementation])
   335    ;;
   336  esac
   337  
   338  # select bignum implementation
   339  case $set_bignum in
   340  gmp)
   341    AC_DEFINE(HAVE_LIBGMP, 1, [Define this symbol if libgmp is installed])
   342    AC_DEFINE(USE_NUM_GMP, 1, [Define this symbol to use the gmp implementation for num])
   343    AC_DEFINE(USE_FIELD_INV_NUM, 1, [Define this symbol to use the num-based field inverse implementation])
   344    AC_DEFINE(USE_SCALAR_INV_NUM, 1, [Define this symbol to use the num-based scalar inverse implementation])
   345    ;;
   346  no)
   347    AC_DEFINE(USE_NUM_NONE, 1, [Define this symbol to use no num implementation])
   348    AC_DEFINE(USE_FIELD_INV_BUILTIN, 1, [Define this symbol to use the native field inverse implementation])
   349    AC_DEFINE(USE_SCALAR_INV_BUILTIN, 1, [Define this symbol to use the native scalar inverse implementation])
   350    ;;
   351  *)
   352    AC_MSG_ERROR([invalid bignum implementation])
   353    ;;
   354  esac
   355  
   356  #select scalar implementation
   357  case $set_scalar in
   358  64bit)
   359    AC_DEFINE(USE_SCALAR_4X64, 1, [Define this symbol to use the 4x64 scalar implementation])
   360    ;;
   361  32bit)
   362    AC_DEFINE(USE_SCALAR_8X32, 1, [Define this symbol to use the 8x32 scalar implementation])
   363    ;;
   364  *)
   365    AC_MSG_ERROR([invalid scalar implementation])
   366    ;;
   367  esac
   368  
   369  if test x"$use_tests" = x"yes"; then
   370    SECP_OPENSSL_CHECK
   371    if test x"$has_openssl_ec" = x"yes"; then
   372      if test x"$enable_openssl_tests" != x"no"; then
   373        AC_DEFINE(ENABLE_OPENSSL_TESTS, 1, [Define this symbol if OpenSSL EC functions are available])
   374        SECP_TEST_INCLUDES="$SSL_CFLAGS $CRYPTO_CFLAGS"
   375        SECP_TEST_LIBS="$CRYPTO_LIBS"
   376  
   377        case $host in
   378        *mingw*)
   379          SECP_TEST_LIBS="$SECP_TEST_LIBS -lgdi32"
   380          ;;
   381        esac
   382      fi
   383    else
   384      if test x"$enable_openssl_tests" = x"yes"; then
   385        AC_MSG_ERROR([OpenSSL tests requested but OpenSSL with EC support is not available])
   386      fi
   387    fi
   388  else
   389    if test x"$enable_openssl_tests" = x"yes"; then
   390      AC_MSG_ERROR([OpenSSL tests requested but tests are not enabled])
   391    fi
   392  fi
   393  
   394  if test x"$use_jni" != x"no"; then
   395    AX_JNI_INCLUDE_DIR
   396    have_jni_dependencies=yes
   397    if test x"$enable_module_ecdh" = x"no"; then
   398      have_jni_dependencies=no
   399    fi
   400    if test "x$JNI_INCLUDE_DIRS" = "x"; then
   401      have_jni_dependencies=no
   402    fi
   403    if test "x$have_jni_dependencies" = "xno"; then
   404      if test x"$use_jni" = x"yes"; then
   405        AC_MSG_ERROR([jni support explicitly requested but headers/dependencies were not found. Enable ECDH and try again.])
   406      fi
   407      AC_MSG_WARN([jni headers/dependencies not found. jni support disabled])
   408      use_jni=no
   409    else
   410      use_jni=yes
   411      for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS; do
   412        JNI_INCLUDES="$JNI_INCLUDES -I$JNI_INCLUDE_DIR"
   413      done
   414    fi
   415  fi
   416  
   417  if test x"$set_bignum" = x"gmp"; then
   418    SECP_LIBS="$SECP_LIBS $GMP_LIBS"
   419    SECP_INCLUDES="$SECP_INCLUDES $GMP_CPPFLAGS"
   420  fi
   421  
   422  if test x"$use_endomorphism" = x"yes"; then
   423    AC_DEFINE(USE_ENDOMORPHISM, 1, [Define this symbol to use endomorphism optimization])
   424  fi
   425  
   426  if test x"$set_precomp" = x"yes"; then
   427    AC_DEFINE(USE_ECMULT_STATIC_PRECOMPUTATION, 1, [Define this symbol to use a statically generated ecmult table])
   428  fi
   429  
   430  if test x"$enable_module_ecdh" = x"yes"; then
   431    AC_DEFINE(ENABLE_MODULE_ECDH, 1, [Define this symbol to enable the ECDH module])
   432  fi
   433  
   434  if test x"$enable_module_recovery" = x"yes"; then
   435    AC_DEFINE(ENABLE_MODULE_RECOVERY, 1, [Define this symbol to enable the ECDSA pubkey recovery module])
   436  fi
   437  
   438  AC_C_BIGENDIAN()
   439  
   440  if test x"$use_external_asm" = x"yes"; then
   441    AC_DEFINE(USE_EXTERNAL_ASM, 1, [Define this symbol if an external (non-inline) assembly implementation is used])
   442  fi
   443  
   444  AC_MSG_NOTICE([Using static precomputation: $set_precomp])
   445  AC_MSG_NOTICE([Using assembly optimizations: $set_asm])
   446  AC_MSG_NOTICE([Using field implementation: $set_field])
   447  AC_MSG_NOTICE([Using bignum implementation: $set_bignum])
   448  AC_MSG_NOTICE([Using scalar implementation: $set_scalar])
   449  AC_MSG_NOTICE([Using endomorphism optimizations: $use_endomorphism])
   450  AC_MSG_NOTICE([Building for coverage analysis: $enable_coverage])
   451  AC_MSG_NOTICE([Building ECDH module: $enable_module_ecdh])
   452  AC_MSG_NOTICE([Building ECDSA pubkey recovery module: $enable_module_recovery])
   453  AC_MSG_NOTICE([Using jni: $use_jni])
   454  
   455  if test x"$enable_experimental" = x"yes"; then
   456    AC_MSG_NOTICE([******])
   457    AC_MSG_NOTICE([WARNING: experimental build])
   458    AC_MSG_NOTICE([Experimental features do not have stable APIs or properties, and may not be safe for production use.])
   459    AC_MSG_NOTICE([Building ECDH module: $enable_module_ecdh])
   460    AC_MSG_NOTICE([******])
   461  else
   462    if test x"$enable_module_ecdh" = x"yes"; then
   463      AC_MSG_ERROR([ECDH module is experimental. Use --enable-experimental to allow.])
   464    fi
   465    if test x"$set_asm" = x"arm"; then
   466      AC_MSG_ERROR([ARM assembly optimization is experimental. Use --enable-experimental to allow.])
   467    fi
   468  fi
   469  
   470  AC_CONFIG_HEADERS([src/libsecp256k1-config.h])
   471  AC_CONFIG_FILES([Makefile libsecp256k1.pc])
   472  AC_SUBST(JNI_INCLUDES)
   473  AC_SUBST(SECP_INCLUDES)
   474  AC_SUBST(SECP_LIBS)
   475  AC_SUBST(SECP_TEST_LIBS)
   476  AC_SUBST(SECP_TEST_INCLUDES)
   477  AM_CONDITIONAL([ENABLE_COVERAGE], [test x"$enable_coverage" = x"yes"])
   478  AM_CONDITIONAL([USE_TESTS], [test x"$use_tests" != x"no"])
   479  AM_CONDITIONAL([USE_EXHAUSTIVE_TESTS], [test x"$use_exhaustive_tests" != x"no"])
   480  AM_CONDITIONAL([USE_BENCHMARK], [test x"$use_benchmark" = x"yes"])
   481  AM_CONDITIONAL([USE_ECMULT_STATIC_PRECOMPUTATION], [test x"$set_precomp" = x"yes"])
   482  AM_CONDITIONAL([ENABLE_MODULE_ECDH], [test x"$enable_module_ecdh" = x"yes"])
   483  AM_CONDITIONAL([ENABLE_MODULE_RECOVERY], [test x"$enable_module_recovery" = x"yes"])
   484  AM_CONDITIONAL([USE_JNI], [test x"$use_jni" == x"yes"])
   485  AM_CONDITIONAL([USE_EXTERNAL_ASM], [test x"$use_external_asm" = x"yes"])
   486  AM_CONDITIONAL([USE_ASM_ARM], [test x"$set_asm" = x"arm"])
   487  
   488  dnl make sure nothing new is exported so that we don't break the cache
   489  PKGCONFIG_PATH_TEMP="$PKG_CONFIG_PATH"
   490  unset PKG_CONFIG_PATH
   491  PKG_CONFIG_PATH="$PKGCONFIG_PATH_TEMP"
   492  
   493  AC_OUTPUT